14420407 has 4 divisors (see below), whose sum is σ = 14433616. Its totient is φ = 14407200.

The previous prime is 14420383. The next prime is 14420429. The reversal of 14420407 is 70402441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70402441 = 73 ⋅964417.

It is a cyclic number.

It is not a de Polignac number, because 14420407 - 2¹⁹ = 13896119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14420467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4803 + ... + 7204.

It is an arithmetic number, because the mean of its divisors is an integer number (3608404).

Almost surely, 2^14420407 is an apocalyptic number.

14420407 is the 2402-nd heptagonal number.

14420407 is a deficient number, since it is larger than the sum of its proper divisors (13209).

14420407 is a wasteful number, since it uses less digits than its factorization.

14420407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13208.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 14420407 is about 3797.4210985878. The cubic root of 14420407 is about 243.4029510360.

Adding to 14420407 its reverse (70402441), we get a palindrome (84822848).

The spelling of 14420407 in words is "fourteen million, four hundred twenty thousand, four hundred seven".